Big Java, Binder Ready Version: Early Objects
6th Edition
ISBN: 9781119056447
Author: Cay S. Horstmann
Publisher: WILEY
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Chapter 9, Problem 13PE
Program Plan Intro
Implementing BetterRectangle class
Program plan:
Filename: “BetterRectangle.java”
This snippet of code is used to implement the class “BetterRectangle”. In the code,
- Import the required packages.
- Define the class “BetterRectangle”.
- Define a constructor “BetterRectangle ()”.
- Call the method “setLocation()”.
- Call the method “setSize()”.
- Define the method “getPerimeter()”.
- Return the calculated value.
- Define the method “getarea()”.
- Return the calculated value.
- Define a constructor “BetterRectangle ()”.
Filename: “BetterRectangleTester.java”
This snippet of code is used to implement the class “BetterRectangleTester”. In the code,
- Import the required packages.
- Define the class “BetterRectangleTester”.
- Define a method “main()”.
- Create an object “kls”.
- Set the value of “methods”.
- Set the value of “construcors”.
- Set the value of “ctorOK”.
- Set the value of “getPerimeterOK”.
- Set the value of “getAreaOK”.
- Set the value of “superOK”.
- Print the value of “kls”.
- Print the expected value of “kls”.
- Print the value of “ctorOK”.
- Print the expected value of “ctorOK”.
- Print the value of “getPerimeterOK”.
- Print the expected value of “getPerimeterOK”.
- Print the value of “getAreaOK”.
- Print the expected value of “getAreaOK”.
- Create an object “o”.
- If the condition is true,
- Set the object “o”
- Print the x value.
- Print the y value.
- Print the width.
- Print the height.
- If the object “o” is not equal to “null”.
- Print the area using “actual”.
- Print the expected value.
- Print the perimeter using “actual”.
- Print the expected value.
- Define a method “main()”.
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Chapter 9 Solutions
Big Java, Binder Ready Version: Early Objects
Ch. 9.1 - Consider classes Manager and Employee. Which...Ch. 9.1 - What are the inheritance relationships between...Ch. 9.1 - Prob. 3SCCh. 9.1 - Prob. 4SCCh. 9.1 - Prob. 5SCCh. 9.2 - Prob. 6SCCh. 9.2 - Suppose the class Employee is declared as...Ch. 9.2 - Prob. 8SCCh. 9.2 - In the Manager class, provide the method header...Ch. 9.2 - Prob. 10SC
Ch. 9.3 - What is wrong with the following implementation of...Ch. 9.3 - What is wrong with the following implementation of...Ch. 9.3 - Look again at the implementation of the addChoice...Ch. 9.3 - In the Manager class of Self Check 7, override the...Ch. 9.3 - In the Manager class of Self Check 9, override the...Ch. 9.4 - Assuming SavingsAccount is a subclass of...Ch. 9.4 - Prob. 17SCCh. 9.4 - Declare an array quiz that can hold a mixture of...Ch. 9.4 - Prob. 19SCCh. 9.4 - Prob. 20SCCh. 9.5 - Prob. 21SCCh. 9.5 - Will the following code fragment compile? Will it...Ch. 9.5 - Prob. 23SCCh. 9.5 - Prob. 24SCCh. 9.5 - Prob. 25SCCh. 9 - Prob. 1RECh. 9 - Identify the superclass and subclass in each of...Ch. 9 - Prob. 3RECh. 9 - Which methods does the ChoiceQuestion class...Ch. 9 - Which methods does the SavingsAccount class in How...Ch. 9 - Prob. 6RECh. 9 - Suppose the class Sub extends the class Sandwich....Ch. 9 - Draw an inheritance diagram that shows the...Ch. 9 - Prob. 9RECh. 9 - What inheritance relationships would you establish...Ch. 9 - How does a cast such as (BankAccount) x differ...Ch. 9 - Prob. 12RECh. 9 - Implement a subclass of BankAccount called...Ch. 9 - Implement a subclass of BankAccount called...Ch. 9 - Reimplement the CheckingAccount class from How To...Ch. 9 - Add a class NumericQuestion to the question...Ch. 9 - Prob. 5PECh. 9 - Prob. 6PECh. 9 - Add a class AnyCorrectChoiceQuestion to the...Ch. 9 - Prob. 8PECh. 9 - Prob. 10PECh. 9 - Prob. 11PECh. 9 - Prob. 12PECh. 9 - Prob. 13PECh. 9 - Prob. 14PECh. 9 - Prob. 15PECh. 9 - Prob. 16PECh. 9 - Prob. 17PECh. 9 - Prob. 1PPCh. 9 - Prob. 2PPCh. 9 - Prob. 3PPCh. 9 - Prob. 4PPCh. 9 - Prob. 5PPCh. 9 - Prob. 6PPCh. 9 - Prob. 7PPCh. 9 - Prob. 8PP
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